News tagged with water flea

It may not be obvious on casual glance, but bugs – flies, beetles, roaches – are constantly changing. In fact, they are masters of adaptation, always modifying their genes to adapt to the changes that occur to the environments ...

Look into any nutrient-rich pond almost anywhere in the world and you will find Daphnia pulex, a tiny crustacean (also called a water flea) that is a source of food for fish and fascination for scientists. A new study, reported ...

The highly bioinvasive water flea, Cercopagis pengoi, has spread from the Caspian Sea to greater parts of the Baltic Sea. In the Bothnian Bay, it seems to meet a barrier in the area between the Bothnian Sea and the Bothnian ...

Researchers have known for decades that the environmental stress experienced by one generation induces changes in behavior, shape, biochemical properties and rates of development of their offspring. But the precise ecological ...

The water flea has genetically adapted to climate change. Biologists from KU Leuven, Belgium, compared 'resurrected' water fleas—hatched from 40-year-old eggs—with more recent specimens. The project was coordinated by ...

The term 'living fossil' has a controversial history. For decades, scientists have argued about its usefulness as it appears to suggest that some organisms have stopped evolving. New research has now investigated the origin ...

Daphnia is a genus of small, planktonic crustaceans, commonly called 'water fleas' because of their jumpy swimming style and their size (between 0.2 and 5 mm). They live in various aquatic environments, ranging from acidic ...

Imagine that the players on your favourite football team were smaller than their opponents, and had to play without helmets or pads. Left defenseless, they would become easy prey for other teams. Similarly, changes in Canadian ...

Environmental change is the selective force that preserves adaptive traits in organisms and is a primary driver of evolution. However, it is less well known that evolutionary change in organisms also trigger fundamental changes ...